Portable peripheral blood collection device

A portable peripheral blood collecting device comprises a vacuum collecting bottle, a collecting tube, a bottle cap and a bottom cap, the vacuum collecting bottle comprises a bottle neck, a bottle body and a bottle bottom, the bottle neck, the bottle body and the bottle bottom are all of an integrally-formed structure, the bottle neck is located at the top of the bottle body, the bottle bottom is located at the bottom of the bottle body, and the top of the bottle neck is connected with the bottle cap matched with the bottle neck through a connecting belt. The bottle cap can seal and block the bottle neck, the collecting tube is fixedly arranged on the bottom face of the bottle bottom, one end of the collecting tube extends into the vacuum collecting bottle, the other end of the collecting tube extends out of the bottle bottom, the bottom of the bottle bottom is connected with a bottom cap through a connecting belt, and a sealing cylinder matched with the collecting tube is arranged in the middle of the bottom